Distance estimation is the behavior in actual spatial environment, which is based on acquiring the distance knowledge.
环境空间距离估计任务就是获取环境空间距离知识基础上的实际空间行为。
Localization is one of the basic services for data collection in wireless sensor networks. The localization accuracy to some extent depends on the accuracy of distance estimation.
定位技术是无线传感器网络数据采集的基础服务，而定位精度的高低在很大程度上取决于距离测量的精度。
Node location is one of the key technology in most applications of Wireless Sensor Networks (WSNs), the localization accuracy to some extent depends on the accuracy of distance estimation.
在许多无线传感器网络的应用中，节点定位是其关键技术之一，而定位精度的高低在很大程度上取决于距离测量的精度。
The experiment result indicates that the system can improve the ranging precision and at the same time allows a more accurate estimation of the distance.
实验结果表明，系统提高了整体测距精度，得到了被测距离更加准确的估计。
Theoretical analyses and applications all show that the geometric distance least square method is also a good and effective parameter estimation method.
理论分析和应用实例表明，几何距离最小二乘方法同样也是一种比较有效的参数估计方法。
This paper presents the effect of the common process noise on track statistical distance and performance of state estimation fusion.
本文研究动态系统过程噪声对航迹统计距离和状态融合估计性能的影响。
The experiment result indicated that the system improved the ranging precision, at the same time got more accurate estimation of the distance.
实验结果表明，系统提高了整体测距精度，得到了被测距离更加准确的估计。
Microsatellite marker is one of the frequently used molecular markers. It has been used in the genotype identification, pedigree analysis and estimation of genetic distance.
微卫星是近几年来应用较多的一种分子标记，可有效地进行基因鉴定与系谱分析，并可估算群体间的遗传距离。
Distance join is widely used in spatial database. Selectivity estimation for distance join is the basis of optimizing the query of the distance.
距离连接在空间数据库中有着广泛的应用，而距离连接的选择度估计是优化距离查询的基础。
A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation.
摘要提出利用相邻波峰和波谷之间距离估计阻尼比的割线方法。
A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation.
提出利用相邻波峰和波谷之间距离估计阻尼比的割线方法。
Some problems, such as the choice of frequency, estimation of the distance and so on, are discussed according to sonar equation, which should be considered in designing an acoustic correlation log.
围绕声呐方程，论证了相关计程仪设计时应考虑的一些问题，如频率的选取，作用距离的估计等。
The rest pixels are summed up with adaptive weight according to the distance from centered pixel to get the estimation of the center pixel.
剩余像素中再以离窗口中心像素距离平方的倒数为权值估计中心像素。
The bit error probability is estimated by the minimum average Euclidean distance. Through simulation, it is shown that the estimation is usually very accurate at high signal-to-noise ratio.
采用平均最小自由欧氏距离估计误比特率，得到误比特率的封闭式表示，通过计算机模拟，在高信噪比情况下，这种估计方法与实际情况非常接近。
The point is, in the eyes of country folk, distance is but his or her estimation and nothing scientifically accurate.
关键在于，在乡下人的眼中，距离是不准确的。
The optimal burst algorithm includes the estimation of time-to-go, miss distance and miss Angle.
最佳起爆算法包括剩余飞行时间、脱靶量及脱靶方位的估计。
The experimental results show that the method is efficient for selectivity estimation for the distance joins.
实验结果证明该种方法能够有效地进行距离连接选择度估计。
The study selects some representative methods of estimation in spatial variables as objects, including Inverse Distance Weighting in the traditional space estimation;
本研究选取比较有代表性的几种空间估计方法：传统空间插值方法中的反距离加权法和趋势面法；
The model is based on different semantic relationships, and is estimated according to maximum likelihood estimation. Semantic distance is used to estimate semantic relationships in estimating period.
该模型定义在不同语义关系之上，基于极大似然估计法利用语义距离来对语义关系进行参数估计。
The experiment results indicate that the algorithm improves ranging precision and the estimation of distance measurement is more precise than that of weighted average method.
实验结果表明，该方法提高了整体测距精度，得到了被测距离更加准确的估计。
An estimation method of fingerprint ridge distance based on ridge orientation projection signal spectrum analysis is proposed to overcome some shortages in the present literatures.
提出了一种基于纹线方向投影信号谱分析的指纹纹线间距估计方法。
According to this kind of thought, appeared a technique of distance detected by double vision estimation.
基于这种思想，出现了由双目图像判断移动物体的距离的技术。
Road network average delay per unit distance OD pathway is designed to provide travel choice travel path, travel time delay estimation and the evaluation of the path delay for the travelers.
路网od径路单位里程平均延误旨在为出行者提供出行径路选择，出行延误时间估计道路延误水平评估等作用。
Based on practiced working condition of belt conveyors, estimation of distance between rollers is analyzed theoretically.
根据带式输送机实际运行工况，对托辊间距的确定进行了理论分析。
In the estimation of ore body's grade, it is important for founding correctly power indicator of the reverse K square distance method.
在矿体品位估值过程中，合理确定距离幂次反比法中的幂次指数是一个十分重要的步骤。
The distance measurement errors include errors of measuring noise and non-line of sight, of which NLOS error is the main source of error in location estimation.
距离测量误差包含测量噪声和非视距误差两部分，其中非视距误差是位置估计的主要误差来源。
Meanwhile the author conducts preliminary exploration on ice jam entrainment sediment concentration, total sediment discharge, sediment transport distance and its estimation method;
对冰凌含沙量、输沙总量、输沙距离的估算方法进行了初步探讨；
In this paper two algorithms is presented for aircraft geometric-height estimation by three distance measurements or two distance and azimuth measurements from radar stantions.
介绍了组网雷达系统中两种确定目标高度的算法及方差分析情况。
In this paper two algorithms is presented for aircraft geometric-height estimation by three distance measurements or two distance and azimuth measurements from radar stantions.
介绍了组网雷达系统中两种确定目标高度的算法及方差分析情况。
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